Ace your ultrasound boards. 100,000+ sonography students trust Prepry to pass their ARDMS, CCI, and ARRT registry exams. Built by sonography educators and practicing sonographers.
9,400+ practice questions. 750+ sonographic images. AI-powered study tools. Spaced repetition. Mock exams. Earn your RDMS, RVT, RDCS, RCS, or RVS credential.
QUESTION BANK (9,400+ Questions)
• ARDMS SPI Ultrasound Physics: 1,150
• ARDMS Abdomen (AB): 1,060
• ARDMS OB/GYN: 715
• ARDMS Adult Echocardiography (AE): 710
• ARDMS Vascular Technology (VT): 700
• ARDMS MSK Sonography: 660
• ARDMS Pediatric Sonography (PS): 390
• ARDMS Breast Sonography (BR): 370
• ARDMS Fetal Echocardiography (FE): 170
• CCI Registered Cardiac Sonographer (RCS)
• CCI Registered Vascular Specialist (RVS)
• ARRT Sonography, Breast Sonography, Vascular Sonography
Detailed explanations for every answer. Answer distribution charts show how others answered.
750+ SONOGRAPHIC IMAGES
Anatomy, pathology, and diagnostic imaging across every specialty.
AI-POWERED STUDY TOOLS
• AI Explanations: Instant AI breakdowns of any question.
• AI Video Tutor: Ask questions during video lessons.
• AI Readiness Score: Analyzes your coverage, mock scores, mastery, and weak areas to tell you if you are exam-ready.
VIDEO COURSES
• SPI Ultrasound Physics, Abdomen, Vascular Technology, OB/GYN
Expert-led with transcripts, speed control, and in-video notes. Free lessons available.
STUDY MODES
• Timed Mock Exams: Simulate real registry conditions.
• Quiz Builder: Custom exams by chapter, topic, or difficulty.
• Flashcards with spaced repetition scheduling.
• Study Blocks for focused review sessions.
• Free Question of the Day and Quick 10 quizzes.
TRACK YOUR PROGRESS
• Readiness score, weak area identification, chapter-by-chapter breakdown.
• Exam countdown, study reminders, daily goals.
• Streaks, badges, XP, and leaderboards.
STUDY PLANNER
Personalized day-by-day schedule based on your exam date with question targets, mock exam days, and days off.
PASS GUARANTEE
Did not pass? Get 3 extra months free.
• Dark mode. Offline access. Also on iOS and web (app.prepry.com).
• Notes linked to questions, explanations, and video timestamps.
• Educator portal with cohort management, assignments, and analytics.
Subscriptions can be managed and auto-renewal turned off in Google Play Settings after purchase. Refunds will not be provided for any unused portion of the term.
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ARDMS®: American Registry for Diagnostic Medical Sonography
CCI®: Cardiovascular Credentialing International
ARRT®: American Registry of Radiologic Technologists
This app is not affiliated with or endorsed by the above organizations.
Prepry covers ultrasound physics, Doppler imaging, transducer mechanics, acoustic artifacts, hemodynamics, and imaging principles for ARDMS, CCI, and ARRT sonography exams. Prepare for SPI, abdomen, OB/GYN, vascular, adult echo, fetal echo, breast, pediatric, MSK, RCS, RVS, and ARRT sonography specialty exams. For sonography students, DMS graduates, and working sonographers pursuing RDMS, RVT, RDCS, RCS, or RVS credentials. Not for clinical use or medical advice.